If your talking about the first pitch in a set. the position is called a pitcher
The pitcher.
pitcher
The pitcher throws the ball to the batter in baseball
quarterback
When a player throws the ball onto the backboard and a person catches it after it hits the backboard
The player that is out of bounds when the ball touches him.
it is the player who pitches the ball to the hitter on the opposite team!:0 (in other words its the person who throws the ball to the hitter)-sierra
the person who throws it back to the pitcher after an out is the catcher!!!
Fumble
A player kicks it, chests it, passes it, or throws it (from a throw in), a goalkeeper kicks it, catches it and throws it.
pitcher
Quarterback